National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

82°F

28°C

Humidity 85%
Wind Speed E 7 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 24 May 7:54 pm ChST
Extended Forecast for

Agat GU

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 10 to 14 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Memorial Day

    Memorial Day: Scattered showers and thunderstorms. Partly sunny, with a high near 87. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 9 to 14 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. East southeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 79. Chance of precipitation is 70%.

    Low: 79 °F

    Heavy Rain

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 10 to 14 mph. Chance of precipitation is 40%.
Memorial Day
Scattered showers and thunderstorms. Partly sunny, with a high near 87. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 9 to 14 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. East southeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 79. Chance of precipitation is 70%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 78.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
A chance of showers. Mostly cloudy, with a low around 79.
Saturday
A chance of showers. Partly sunny, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 78.
Sunday
A chance of showers. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agat GU
 13.38°N 144.67°E
Last Update:
6:05 pm ChST May 24, 2026
Forecast Valid:
7pm ChST May 24, 2026-6pm ChST May 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation